78937740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6989

約数の個数: 120

約数和(自身を含む): 283047072

約数和(自身を除く): 204109332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 6961, 11340, 13922, 20883, 27844, 34805, 41766, 48727, 62649, 69610, 83532, 97454, 104415, 125298, 139220, 146181, 187947, 194908, 208830, 243635, 250596, 292362, 313245, 375894, 417660, 438543, 487270, 563841, 584724, 626490, 730905, 751788, 877086, 939735, 974540, 1127682, 1252980, 1315629, 1461810, 1754172, 1879470, 2192715, 2255364, 2631258, 2819205, 2923620, 3758940, 3946887, 4385430, 5262516, 5638410, 6578145, 7893774, 8770860, 11276820, 13156290, 15787548, 19734435, 26312580, 39468870, 78937740]

約数ペア:

[(1, 78937740), (2, 39468870), (3, 26312580), (4, 19734435), (5, 15787548), (6, 13156290), (7, 11276820), (9, 8770860), (10, 7893774), (12, 6578145), (14, 5638410), (15, 5262516), (18, 4385430), (20, 3946887), (21, 3758940), (27, 2923620), (28, 2819205), (30, 2631258), (35, 2255364), (36, 2192715), (42, 1879470), (45, 1754172), (54, 1461810), (60, 1315629), (63, 1252980), (70, 1127682), (81, 974540), (84, 939735), (90, 877086), (105, 751788), (108, 730905), (126, 626490), (135, 584724), (140, 563841), (162, 487270), (180, 438543), (189, 417660), (210, 375894), (252, 313245), (270, 292362), (315, 250596), (324, 243635), (378, 208830), (405, 194908), (420, 187947), (540, 146181), (567, 139220), (630, 125298), (756, 104415), (810, 97454), (945, 83532), (1134, 69610), (1260, 62649), (1620, 48727), (1890, 41766), (2268, 34805), (2835, 27844), (3780, 20883), (5670, 13922), (6961, 11340)]